CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
AI Score
Confidence
Low
EPSS
Percentile
94.5%
The Cisco Network Admission Control (NAC) 3.6.4.1 and earlier allows remote attackers to prevent installation of the Cisco Clean Access (CCA) Agent and bypass local and remote protection mechanisms by modifying (1) the HTTP User-Agent header or (2) the behavior of the TCP/IP stack. NOTE: the vendor has disputed the severity of this issue, stating that users cannot bypass authentication mechanisms.
Vendor | Product | Version | CPE |
---|---|---|---|
cisco | network_admission_control | * | cpe:2.3:a:cisco:network_admission_control:*:*:*:*:*:*:*:* |
cisco | network_admission_control_manager_and_server_system_software | 3.3 | cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3:*:*:*:*:*:*:* |
cisco | network_admission_control_manager_and_server_system_software | 3.3.1 | cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.1:*:*:*:*:*:*:* |
cisco | network_admission_control_manager_and_server_system_software | 3.3.2 | cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.2:*:*:*:*:*:*:* |
cisco | network_admission_control_manager_and_server_system_software | 3.3.3 | cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.3:*:*:*:*:*:*:* |
cisco | network_admission_control_manager_and_server_system_software | 3.3.4 | cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.4:*:*:*:*:*:*:* |
cisco | network_admission_control_manager_and_server_system_software | 3.3.5 | cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.5:*:*:*:*:*:*:* |
cisco | network_admission_control_manager_and_server_system_software | 3.3.6 | cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.6:*:*:*:*:*:*:* |
cisco | network_admission_control_manager_and_server_system_software | 3.3.7 | cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.7:*:*:*:*:*:*:* |
cisco | network_admission_control_manager_and_server_system_software | 3.3.8 | cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.8:*:*:*:*:*:*:* |
archive.cert.uni-stuttgart.de/archive/bugtraq/2005/08/msg00200.html
www.cisco.com/en/US/products/ps6128/products_security_notice09186a00804fa82b.html
www.cisco.com/en/US/products/ps6128/tsd_products_security_response09186a008071d609.html
www.securityfocus.com/archive/1/408603/30/0/threaded
www.securityfocus.com/archive/1/444424/100/0/threaded
www.securityfocus.com/archive/1/444501/100/0/threaded
www.securityfocus.com/archive/1/444737/100/0/threaded
www.securityfocus.com/bid/19726